Home / 39,272.77-58,940.34-20,558.53

Finding the Fourth Proportional to 39,272.77, 58,940.34 and 20,558.53

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Solution

The fourth proportional to 39,272.77, 58,940.34 and 20,558.53 is: 30,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.77 : 58,940.34 = 20,558.53 : x
  2. Step 2: Convert to fraction form
    39,272.77/58,940.34 = 20,558.53/x
  3. Step 3: Cross multiply
    39,272.77x = 58,940.34 × 20,558.53
  4. Step 4: Simplify right side
    39,272.77x = 1,211,726,748.10
  5. Step 5: Solve for x
    x = 1,211,726,748.10/39,272.77
  6. Step 6: Final answer
    x = 30,854.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.